how does a telephone work step by step（関連順）

5:28

ストロージャーステップバイステップ電話交換

THIS MUSEUM IS (NOT) OBSOLETE

75,605 回視聴 - 4 年前

9:04

How does your mobile phone work? | ICT #1

Sabin Civil Engineering

7,106,181 回視聴 - 6 年前

10:34

The Telephone - How It Works

National Communication Museum

135,668 回視聴 - 4 年前

3:40

Alexander Graham Bell's Telephone Prototype | The Genius Of Invention | Earth Science

BBC Earth Science

117,431 回視聴 - 8 年前

2:47

How Does a Telephone Work? ☎️📱 A Fun Science & History Lesson for Kids!

Tender Intellects

126 回視聴 - 1 か月前

0:21

Electromechanical automatic telephone exchange

avian6

58,219 回視聴 - 14 年前

8:26

AT&T Archives: The Step-By-Step Switch

What is PBX?

VoIPの簡単な説明

How CELL PHONE Works? | What Is A MOBILE Phone? | SMART PHONE | The Dr Binocs Show | Peekaboo Kidz

Peekaboo Kidz

1,159,626 回視聴 - 5 年前

0:30

How Do Cans Work as a Telephone? | The Science Behind the Classic Tin Can Phone

Amol Facts 2.0

27,796 回視聴 - 11 日前

1:53

How ecoATM Works | Recycle Your Phone For Cash

Cisco Phone Training

AT&T Archives: Introduction to the Dial Telephone

AT&T Tech Channel

212,251 回視聴 - 13 年前

3:34

What's Inside a Smartphone?

Branch Education

906,637 回視聴 - 6 年前

6:49

The Deployment of IP PBX & IP Phones in Local Area Network

Yeastar

124,101 回視聴 - 5 年前

0:23

How to make a call on Telephone 📞

Chaar Minaar

263,226 回視聴 - 2 年前

1:40:10

The Line Finder In The Step-By-Step Telephone Switching System

Hicken65

71,061 回視聴 - 7 年前

0:16

how to make paper cup telephone

Telephone Cup Game

結果 : how does a telephone work step by step